<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">

<title>Insert title here</title>

<script type="text/javascript">
 	$('#menu').clone().insertBefore('#submenu');
 	$('#menu').clone().prependTo('#submenu');
</script>
<style type ="text/css">
  .button { display:block; margin:3px; color:Red; width:200px;}
  div{color:Red;border:2px solid blue; width:200px;
    margin:3px; text-align:center;}
    
    
 </style>

</head>

<body>

<div id ="menu">
HOME About
</div>
<div id ="content">
상당메뉴를 아래 하단메뉴에 복사
</div>
<div id="submenu">
여기는 하단메뉴 들어오는곳
</div>
</body>
</html>